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The Beck tunnel boring machine (alternately Big Becky) was the largest tunnel boring machine in the world, when it was operated by Ontario Hydro, from 2006 to 2011. Hydro used it to bore a deep replacement tunnel to supply water from the upper Niagara River 10.2 kilometres (6.3 mi) to the Sir Adam Beck Hydroelectric Plant. The tunnel it bored was 14.4 metres (47 ft) in diameter.
The tunnel was delayed when Beck encountered a bed of loose material, unsuitable for boring, that required a detour.According to Ontario Power Generation the TBM itself weighed 2000 tons.
However, when its task was complete, Western Mechanical, the firm that removed Beck, described it weighing 7000 tons.
So, this one has been kicking around the noggin for a while. There is a large-bore silencer in the works, so the idea of a .45-70 levergun, or perhaps .454 Casull, that is silenced strikes me as quite corking. I'm planning on heading up to Eugene early this coming week for some shenanigans so...
For sale is a very lightly used, Ruger Gunsite Scout in .450 Bushmaster. Only 20-rounds fired by the original owner. The sale includes:
The aforementioned rifle.
The included OEM magazine.
Original box and all accessories (e.g., scope rings, manual, thread protector, stock inserts, et al.)...
From time to time I get the idea to add a big-bore AR upper to the mix. Something, say, .458 SOCOM or .50 Beowulf. As it will be mated to registered SBR lower, length can be anything.
Recommendations on this one? Other calibers to consider other than the aforementioned? Any to avoid? Thanks.